Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

import java.util.ArrayList;

public class Main {
    public static void main(String[] args) {
        ArrayList<Integer> al = new ArrayList<Integer>();
        al.add(new Integer(1));
        al.add(new Integer(2));
        al.add(new Integer(3));
        al.add(new Integer(4));
        al.add(new Integer(5));

        System.out.println("contents of al : " + al);
        Object ia[] = al.toArray(); // get array
        int sum = 0;

        for (int i = 0; i < ia.length; i++) {
            sum += ((Integer) ia[i]).intValue();
        }
        System.out.println("Sum is :" + sum);
    }
}